#!/usr/bin/env python
# -*- encoding: utf-8 -*-
import sys, datetime, json

额下 def main():
    print('hi hui, welcome to  python world!')
    return 0
 发到我
if __name__ == '__main第三个v__':
    start = datetime.datetime.now()

    status = main()

    elapsed = float((datetime.datetime.now() - start).seconds)
    print("Time fsbUsedfdbdz fdbf 4 All ----->>>> %f seconds" % (elapsed))
 
    sys.exit(status)

